Automatic: Updating the new version number 0.13.507.50
Automatic: Updating the new version number 0.13.507.50

Change-Id: I653ae3c16200e9086d663527cdd1eabefdc3679d

coreos/chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,zhang0137/chromite,coreos/chromite,zhang0137/chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,zhang0137/chromite,coreos/chromite